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Dr. Jonathan Katz, DO
NPI1467940395PAC ID5294082517
- Medicare services, 2024
- 510
- Medicare patients, 2024
- 186
- Part D claims, 2024
- 3,850
- Publications
- 3
- Hospital affiliations
- 1
- Practice address
- 154 Main St, Old Saybrook, CT 06475
- Practice phone
- Call (860) 395-1212
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mhs Primary Care
Old Saybrook, Connecticut
Find Dr. Katz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jonathan Katz is a family medicine physician in Old Saybrook, Connecticut
Dr. Katz practices at Mhs Primary Care in Old Saybrook, Connecticut.
Dr. Katz's NPI, 1467940395, was assigned on April 26, 2018. Dr. Katz graduated from New York College of Osteo Medicine of New York Institute of Technology in 2018. Dr. Katz holds Connecticut license 071899.
NPI and contact details
- NPI
- 1467940395NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294082517
- NPI enumeration date
- April 26, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (860) 395-1212
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Katz practices at Mhs Primary Care in Old Saybrook, Connecticut
Dr. Katz's primary practice is Mhs Primary Care, at 154 Main St, Old Saybrook, CT 06475 in Lower Ct River Vly County. The practice phone is (860) 395-1212.
- Mhs Primary Care154 Main St, Old Saybrook, CT 06475 · Lower Ct River Vly CountyPhone(860) 395-1212
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jonathan Katz is affiliated with 6 sites of care and 2 medical groups
Dr. Katz's primary practice is Mhs Primary Care in Old Saybrook, Connecticut. Dr. Katz is also affiliated with Middlesex Hospital. The medical group on file is Middlesex Health. Dmand AI also links Dr. Katz to 2 more group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.
Mhs Primary CarePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jonathan Katz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Katz practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mhs Primary Care | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan Katz is one of 829 family medicine physicians in Connecticut
Family medicine is Dr. Katz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Katz is licensed in Connecticut.
Specialties and state licenses
- Family medicine, ConnecticutPrimary
Family medicine physicians near Dr. Katz
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jonathan Katz billed Medicare for 510 services in 2024
CMS data shows 510 Medicare services from Dr. Katz across 13 procedure codes in 2024, for 186 Medicare patients. Medicare paid $42,358 for them.
Medicare services, 2024510
Medicare patients186
Paid by Medicare$42,358
Procedure codes13
Dr. Katz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1952024: 25129%
- Tests and treatments
- 2023: 702024: 11970%
- Other services
- 2023: 1072024: 1081%
- Lab and pathology
- 2023: 322024: 32No change
Where Dr. Katz's Medicare services took place, 2024
- In an office49597%
- In a facility153%
Dr. Katz compared with the Connecticut median for family medicine physicians, 2024
- Dr. Katz
- Connecticut median
- Medicare services
- 510vs 35743% above
- Medicare patients
- 186vs 14330% above
- Part D claims
- 3,204vs 9783.3 times
Medians across 818 family medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Katz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Katz?
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Katz treated 186 Medicare patients in 2024, average age 74
CMS counts 186 Medicare patients who saw Dr. Katz in 2024. The largest group is 75 to 84, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Katz's median patient age at 70, with 27% women.
Medicare patients, 2024186
Average age74
Average risk score1.27
Also on Medicaid25%
Dr. Katz's Medicare patients by age, 2024
Dr. Katz's Medicare patients by sex, 2024
- Women7339%
- Men11361%
Chronic conditions among Dr. Katz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Mood disorders32%
- Anxiety30%
- Ischemic heart disease30%
- Diabetes28%
- Chronic kidney disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Katz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women27%
- Men71%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Katz wrote 3,850 Medicare Part D claims in 2024
In 2024, Dr. Katz wrote 3,850 Medicare Part D claims for 404 patients. 90% of them were for generic drugs. CMS names the drug for 3,204 of them, across 71 drugs with 11 or more claims each, at $228,217 in total drug cost. In 2023, CMS named 2,769 claims across 69 drugs.
Part D claims, 20243,850
Drugs named by CMS71
Total drug cost$228,217
Part D patients404
Dr. Katz's Part D claims by kind of drug, 2024
- Generic3,450 claims90%
- Brand-name378 claims10%
- Other22 claims1%
Dr. Katz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Katz's Part D claims, 2024
- Opioids1%31 of 3,850 claims
- Antibiotics1%56 of 3,850 claims
- Antipsychotics, patients 65 and over0%15 of 3,850 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7692024: 3,20416%
Drugs named by CMS: 71 in 2024, 69 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Jonathan Katz offers telehealth to Medicare patients
Dr. Katz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Katz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jonathan Katz has 3 publications on record
Dmand AI links 3 papers to Dr. Katz, published from 2012 to 2013.
Papers3
Years published2012 to 2013
Recent publications by Dr. Katz
AcousticsAlgorithmsBayes Theorem
See who Dr. Katz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Katz works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jonathan Katz graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Katz graduated from New York College of Osteo Medicine of New York Institute of Technology in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Katz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jonathan Katz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jonathan Katz's NPI number?
Dr. Jonathan Katz's NPI number is 1467940395. It was assigned on April 26, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Katz?
Dr. Jonathan Katz is a family medicine physician in Old Saybrook, Connecticut. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Jonathan Katz practice?
Dr. Katz practices at 154 Main St, Old Saybrook, CT 06475. Dr. Katz's primary practice is Mhs Primary Care in Old Saybrook, Connecticut. Dmand AI also links Dr. Katz to 2 group practices and clinics, 2 home health agencies and 1 medical group.
What is Dr. Jonathan Katz's office phone number?
The practice phone on file for Dr. Katz is (860) 395-1212.
What is Dr. Jonathan Katz's medical license number?
Dr. Katz holds Connecticut license 071899.
Which hospitals is Dr. Jonathan Katz affiliated with?
Dr. Katz is affiliated with Middlesex Hospital.
What medical group is Dr. Jonathan Katz part of?
Dr. Katz is linked to Middlesex Health. Dmand AI links Dr. Katz to 1 more medical group.
Does Dr. Jonathan Katz accept Medicare?
Yes. CMS data shows Dr. Katz billed Medicare for 510 services in 2024, and Dr. Katz accepts Medicare assignment.
Does Dr. Jonathan Katz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Katz as offering telehealth services.
How many Medicare patients does Dr. Jonathan Katz see?
CMS counts 186 Medicare patients who saw Dr. Katz in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Jonathan Katz bill to Medicare?
In 2024, Dr. Katz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Jonathan Katz go to medical school?
Dr. Katz graduated from New York College of Osteo Medicine of New York Institute of Technology in 2018.
What drugs does Dr. Jonathan Katz prescribe most?
In 2024 Medicare Part D data, Dr. Katz's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
How long has Dr. Jonathan Katz been practicing?
Dr. Katz graduated from medical school in 2018, 8 years ago.
Does Dr. Jonathan Katz do research?
Dmand AI links 3 publications to Dr. Katz, published from 2012 to 2013.
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